US10214795B2 - Rail manufacturing method and manufacturing equipment - Google Patents

Rail manufacturing method and manufacturing equipment Download PDF

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Publication number
US10214795B2
US10214795B2 US14/770,664 US201414770664A US10214795B2 US 10214795 B2 US10214795 B2 US 10214795B2 US 201414770664 A US201414770664 A US 201414770664A US 10214795 B2 US10214795 B2 US 10214795B2
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Prior art keywords
cooling
head
rail
temperature
rate
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US20160040263A1 (en
Inventor
Kenji Okushiro
Hiroyuki Fukuda
Hideo Kijima
Moriyasu YAMAGUCHI
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JFE Steel Corp
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JFE Steel Corp
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Assigned to JFE STEEL CORPORATION reassignment JFE STEEL CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUKUDA, HIROYUKI, KIJIMA, HIDEO, OKUSHIRO, Kenji, YAMAGUCHI, Moriyasu
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/085—Rail sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B2045/0221—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for structural sections, e.g. H-beams
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/009—Pearlite
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
US14/770,664 2013-03-28 2014-03-25 Rail manufacturing method and manufacturing equipment Active 2035-10-19 US10214795B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2013068745 2013-03-28
JP2013-068745 2013-03-28
JP2013-201675 2013-09-27
JP2013201675 2013-09-27
PCT/JP2014/058275 WO2014157198A1 (fr) 2013-03-28 2014-03-25 Procédé de fabrication d'un rail et équipement de fabrication

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/058275 A-371-Of-International WO2014157198A1 (fr) 2013-03-28 2014-03-25 Procédé de fabrication d'un rail et équipement de fabrication

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/180,508 Division US10563278B2 (en) 2013-03-28 2018-11-05 Rail manufacturing method and manufacturing equipment

Publications (2)

Publication Number Publication Date
US20160040263A1 US20160040263A1 (en) 2016-02-11
US10214795B2 true US10214795B2 (en) 2019-02-26

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Application Number Title Priority Date Filing Date
US14/770,664 Active 2035-10-19 US10214795B2 (en) 2013-03-28 2014-03-25 Rail manufacturing method and manufacturing equipment
US16/180,508 Active US10563278B2 (en) 2013-03-28 2018-11-05 Rail manufacturing method and manufacturing equipment

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Application Number Title Priority Date Filing Date
US16/180,508 Active US10563278B2 (en) 2013-03-28 2018-11-05 Rail manufacturing method and manufacturing equipment

Country Status (7)

Country Link
US (2) US10214795B2 (fr)
EP (1) EP2980230B1 (fr)
JP (1) JP5686231B1 (fr)
CN (1) CN105074019B (fr)
AU (1) AU2014245505B2 (fr)
BR (1) BR112015024476B1 (fr)
WO (1) WO2014157198A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10047411B2 (en) 2015-01-23 2018-08-14 Nippon Steel & Sumitomo Metal Corporation Rail
CN107520529B (zh) * 2017-08-31 2019-10-11 攀钢集团研究院有限公司 136re+ss热处理钢轨移动闪光焊接的方法
JP7294243B2 (ja) 2020-06-10 2023-06-20 Ｊｆｅスチール株式会社 熱処理レールの硬度予測方法、熱処理方法、硬度予測装置、熱処理装置、製造方法、製造設備、並びに、硬度予測モデルの生成方法
WO2022106864A1 (fr) * 2020-11-17 2022-05-27 Arcelormittal Acier pour rails et procédé de fabrication d'un rail associé

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62120429A (ja) 1985-11-18 1987-06-01 Nippon Steel Corp レ−ルの熱処理方法
JPS63134632A (ja) 1986-11-25 1988-06-07 Nippon Steel Corp レ−ルの熱処理方法
CA2222281A1 (fr) 1996-03-27 1997-10-02 Nippon Steel Corporation Rails d'acier faiblement allies, a structure perlitique, traites a chaud, temoignant d'une remarquable resistance a l'usure et dotes d'excellentes caracteristiques de soudage et procede de fabrication
JP2002105538A (ja) 2000-09-29 2002-04-10 Nkk Corp 残留応力の少ないレールの製造方法および設備
WO2003028912A2 (fr) 2001-09-29 2003-04-10 Sms Meer Gmbh Procede et dispositif de traitement thermique de rails
JP2005171327A (ja) 2003-12-11 2005-06-30 Nippon Steel Corp 耐表面損傷性および耐内部疲労損傷性に優れたパーライト系レールの製造方法およびレール
JP3731934B2 (ja) 1996-03-11 2006-01-05 新日本製鐵株式会社 高深度高強度レールの製造法
US20100307646A1 (en) 2008-02-27 2010-12-09 Seiji Sugiyama Cooling system and cooling method of rolling steel
WO2011155481A1 (fr) 2010-06-07 2011-12-15 新日本製鐵株式会社 Rail d'acier et procédé de fabrication de celui-ci
US20120012296A1 (en) 2009-03-27 2012-01-19 Seiji Sugiyama Device and method for cooling rail weld zone
US8241442B2 (en) * 2009-12-14 2012-08-14 Arcelormittal Investigacion Y Desarrollo, S.L. Method of making a hypereutectoid, head-hardened steel rail

Patent Citations (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62120429A (ja) 1985-11-18 1987-06-01 Nippon Steel Corp レ−ルの熱処理方法
JPS63134632A (ja) 1986-11-25 1988-06-07 Nippon Steel Corp レ−ルの熱処理方法
JP3731934B2 (ja) 1996-03-11 2006-01-05 新日本製鐵株式会社 高深度高強度レールの製造法
CA2222281A1 (fr) 1996-03-27 1997-10-02 Nippon Steel Corporation Rails d'acier faiblement allies, a structure perlitique, traites a chaud, temoignant d'une remarquable resistance a l'usure et dotes d'excellentes caracteristiques de soudage et procede de fabrication
JPH09316598A (ja) 1996-03-27 1997-12-09 Nippon Steel Corp 耐摩耗性および溶接性に優れたパーライト系レールおよびその製造法
JP2002105538A (ja) 2000-09-29 2002-04-10 Nkk Corp 残留応力の少ないレールの製造方法および設備
WO2003028912A2 (fr) 2001-09-29 2003-04-10 Sms Meer Gmbh Procede et dispositif de traitement thermique de rails
US20040231763A1 (en) 2001-09-29 2004-11-25 Klause Kuppers Method and system for thermal treatment of rails
CN1561399A (zh) 2001-09-29 2005-01-05 Sms米尔股份有限公司 对于轨道进行热处理的方法和设备
JP2005504174A (ja) 2001-09-29 2005-02-10 エスエムエス メーア ゲゼルシャフト ミット ベシュレンクテル ハフツング レールの熱処理方法
US7416622B2 (en) 2001-09-29 2008-08-26 Sms Meer Gmbh Method and system for thermal treatment of rails
JP2005171327A (ja) 2003-12-11 2005-06-30 Nippon Steel Corp 耐表面損傷性および耐内部疲労損傷性に優れたパーライト系レールの製造方法およびレール
US20100307646A1 (en) 2008-02-27 2010-12-09 Seiji Sugiyama Cooling system and cooling method of rolling steel
CN101959626A (zh) 2008-02-27 2011-01-26 新日本制铁株式会社 轧制钢材的冷却装置以及冷却方法
US8715565B2 (en) 2008-02-27 2014-05-06 Nippon Steel & Sumitomo Metal Corporation Cooling system and cooling method of rolling steel
US20140208780A1 (en) 2008-02-27 2014-07-31 Nippon Steel & Sumitomo Metal Corporation Cooling system and cooling method of rolling steel
US9255304B2 (en) 2008-02-27 2016-02-09 Nippon Steel & Sumitomo Metal Corporation Cooling system and cooling method of rolling steel
US20120012296A1 (en) 2009-03-27 2012-01-19 Seiji Sugiyama Device and method for cooling rail weld zone
CN102361725A (zh) 2009-03-27 2012-02-22 新日本制铁株式会社 轨道焊接部的冷却装置及冷却方法
US8353443B2 (en) 2009-03-27 2013-01-15 Nippon Steel Corporation Device and method for cooling rail weld zone
US8241442B2 (en) * 2009-12-14 2012-08-14 Arcelormittal Investigacion Y Desarrollo, S.L. Method of making a hypereutectoid, head-hardened steel rail
WO2011155481A1 (fr) 2010-06-07 2011-12-15 新日本製鐵株式会社 Rail d'acier et procédé de fabrication de celui-ci
JP4938158B2 (ja) 2010-06-07 2012-05-23 新日本製鐵株式会社 鋼レールおよびその製造方法
US8980019B2 (en) 2010-06-07 2015-03-17 Nippon Steel & Sumitomo Metal Corporation Steel rail and method of manufacturing the same

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Jun. 17, 2014 International Search Report issued in International Patent Application No. PCT/JP2014/058275.
Mar. 14, 2016 extended Search Report issued in European Patent Application No. 14773268.9.
May 31, 2016 Office Action issued in Chinese Patent Application No. 201480017861.9.

Also Published As

Publication number Publication date
CN105074019B (zh) 2017-03-08
CN105074019A (zh) 2015-11-18
EP2980230B1 (fr) 2020-10-28
JPWO2014157198A1 (ja) 2017-02-16
AU2014245505B2 (en) 2016-09-15
WO2014157198A1 (fr) 2014-10-02
US10563278B2 (en) 2020-02-18
BR112015024476A2 (pt) 2017-07-18
EP2980230A1 (fr) 2016-02-03
US20160040263A1 (en) 2016-02-11
JP5686231B1 (ja) 2015-03-18
US20190106762A1 (en) 2019-04-11
EP2980230A4 (fr) 2016-04-13
BR112015024476B1 (pt) 2019-10-22
AU2014245505A1 (en) 2015-10-08

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